add T3101 to release lchan in case MS never responds to IMMEDIATE ASSIGN
diff --git a/openbsc/src/abis_rsl.c b/openbsc/src/abis_rsl.c
index 50aebc3..f243c38 100644
--- a/openbsc/src/abis_rsl.c
+++ b/openbsc/src/abis_rsl.c
@@ -1017,6 +1017,14 @@
return rc;
}
+/* If T3101 expires, we never received a response to IMMEDIATE ASSIGN */
+static void t3101_expired(void *data)
+{
+ struct gsm_lchan *lchan = data;
+
+ rsl_chan_release(lchan);
+}
+
/* MS has requested a channel on the RACH */
static int rsl_rx_chan_rqd(struct msgb *msg)
{
@@ -1088,7 +1096,10 @@
ia.chan_desc.chan_nr, gsm_chreq_name(chreq_reason),
rqd_ref->ra);
- /* FIXME: Start timer T3101 to wait for GSM48_MT_RR_PAG_RESP */
+ /* Start timer T3101 to wait for GSM48_MT_RR_PAG_RESP */
+ lchan->T3101.cb = t3101_expired;
+ lchan->T3101.data = lchan;
+ bsc_schedule_timer(&lchan->T3101, 10, 0);
/* send IMMEDIATE ASSIGN CMD on RSL to BTS (to send on CCCH to MS) */
ret = rsl_imm_assign_cmd(bts, sizeof(ia), (u_int8_t *) &ia);
@@ -1199,6 +1210,8 @@
break;
case RSL_MT_EST_IND:
DEBUGPC(DRLL, "ESTABLISH INDICATION\n");
+ /* lchan is established, stop T3101 */
+ bsc_del_timer(&msg->lchan->T3101);
if (msgb_l2len(msg) >
sizeof(struct abis_rsl_common_hdr) + sizeof(*rllh) &&
rllh->data[0] == RSL_IE_L3_INFO) {